Entogoniopsis polycistinora (Pantocsek ex Tempère) Strelnikova, Sims, Witkowski & Williams (2015)
Comment: Well-preserved valve with the underside positioned facing toward the viewer.
Locality: Kamyshlov, Sverdlovsk District, Russia, sample: Hustedt Collection E1685 (early Eocene).
Photographed using: Zeiss Axio.A1, EC Plan-NEOFLUAR 40×/0.75 + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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